[1] YAO Y B, CHEN P, ZHANG S, et al. Temporal and Spatial variations in Ionospheric Electron Density Profiles over South Africa During Strong Magnetic Storms[J]. Natural Hazards and Earth System Sciences, 2013, 13(2): 375-384. [2] JIN Shuanggen, LUO O F, PARK P. GPS Observations of the Ionospheric F2-Layer Behavior During the 20th NOVEMBER 2003 Geomagnetic Storm over South Korea[J]. Journal of Geodesy, 2008, 82(12): 883-892. [3] POKHOTELOV D, JAYACHANDRAN P T, MITCHELL C N, et al. Gps Tomography in the Polar Cap: Comparison with Ionosondes and in Situ Spacecraft Data[J]. GPS Solutions, 2011, 15(1): 79-87. [4] CHARTIER A T, SMITH N D, MITCHELL C N, et al. The Use of Ionosondes in GPS Ionospheric Tomography at Low Latitudes[J]. Journal of Geophysical Research, 2012, 117(A10): A10326. DOI: 10.1029/2012JA018054. [5] NESTEROV I A, KUNITSYN V E. GNSS Radio Tomography of the Ionosphere: The Problem with Essentially Incomplete Data[J]. Advances in Space Research, 2011, 47(10): 1789-1803. [6] WEN Debao, WANG Yong, NORMAN R. A New Two-Step Algorithm for Ionospheric Tomography Solution[J]. GPS Solutions, 2012, 16(1): 89-94. [7] AUSTEN J R, FRANKE S J, LIU C H. Ionospheric Imaging Using Computerized Tomography[J]. Radio Science, 1988, 23(3): 299-307. [8] BUST G S, MITCHELL C N. History, Current State, and Future Directions of Ionospheric Imaging[J]. Reviews of Geophysics, 2008, 46(1): RG1003. DOI: 10.1029/2006RG000212. [9] PRYSE S E, KERSLEY L, RICE D L. et al. Tomographic Imaging of the Ionospheric Mid-Latitude Trough[J]. Annales Geophysicae, 1993, 11(2-3): 144-149. [10] MITCHELL C N, KERSLEY L, HEATON J A T. et al. Determination of the Vertical Electron-Density Profile in Ionospheric Tomography: Experimental Results[J]. Annales Geophysicae, 1997, 15(6): 747-752. [11] WEN Debao, YUAN Yunbin, OU Jikun, et al. Three-Dimensional Ionospheric Tomography by An Improved Algebraic Reconstruction Technique[J]. GPS Solutions, 2007, 11(4): 251-258. [12] DAS S K, SHUKLA A K. Two-Dimensional Ionospheric Tomography over the Low-Latitude Indian Region: An Intercomparison of Art and Mart Algorithms[J]. Radio Science, 2011, 46(2): RS2005. DOI: 10.1029/2010RS004350. [13] FOUGERE P F. Ionospheric Radio Tomography Using Maximum Entropy 1. Theory and Simulation Studies[J]. Radio Science, 1995, 30(2): 429-444. [14] QU Gangrong, WANG Caifang, JIANG Ming. Necessary and Sufficient Convergence Conditions for Algebraic Image Reconstruction Algorithms[J]. Advances in Mathematics, 2007, 36(3): 379-381. [15] AHN S, FESSLER J A, BLATT D, et al. Convergent Incremental Optimization Transfer Algorithms: Application to Tomography[J]. IEEE Transactions on Medical Imaging, 2006, 25(3): 283-296. [16] BYRNE C L, GRAHAM-EAGLE J. Convergence Properties of the Algebraic Reconstruction Technique (ART)[C]//Proceedings of the Conference Record of the 1992 IEEE Nuclear Science Symposium and Medical Imaging Conference. Orlando, FL: IEEE, 1992: 1240-1242. [17] KAK A C, SLANEY M, WANG Ge. Principles of Computerized Tomographic Imaging[J]. Medical Physics, 2002, 29(1): 107. [18] 陈鹏. GNSS电离层层析及震前电离层异常研究[J]. 测绘学报, 2013, 42(3): 474. CHEN Peng. Research on GNSS-Based Ionospheric Tomography and Pre-Earthquake Ionospheric Anomaly[J]. Acta Geodaetica et Cartographica Sinica, 2013, 42(3): 474. [19] 汤俊. GNSS三维电离层层析算法及电离层扰动研究[J]. 测绘学报, 2015, 44(1): 117. TANG Jun. Studies on Three-Dimension Ionospheric Tomography Using GNSS Measurements and Ionospheric Disturbances[J]. Acta Geodaetica et Cartographica Sinica, 2015, 44(1): 117. DOI: 10.11947/j.AGCS.2015.20140398. [20] 姚宜斌, 汤俊, 张良, 等. 电离层三维层析成像的自适应联合迭代重构算法[J]. 地球物理学报, 2014, 57(2): 345-353. YAO Yibin, TANG Jun, ZHANG Liang, et al. An Adaptive Simultaneous Iteration Reconstruction Technique for Three-Dimensional Ionospheric Tomography[J]. Chinese Journal of Geophysics, 2014, 57(2): 345-353. [21] 闻德保, 吕慧珠, 张啸. 电离层层析重构的一种新算法[J]. 地球物理学报, 2014, 57(11): 3611-3616. WEN Debao, LÜ Huizhu, ZHANG Xiao. A New Method of Ionospheric Tomographic Reconstruction[J]. Chinese Journal of Geophysics, 2014, 57(11): 3611-3616. [22] 吴寒, 姚宜斌, 陈鹏, 等. GNSS电离层层析成像算法研究[J]. 武汉大学学报(信息科学版), 2013, 38(12): 1405-1408. WU Han, YAO Yibin, CHEN Peng, et al. Investigation of GNSS-Based Ionospheric Tomographic Algorithms[J]. Geomatics and Information Science of Wuhan University, 2013, 38(12): 1405-1408. [23] 汤俊, 姚宜斌, 张良. 一种适用于电离层层析成像的TV-MART算法[J]. 武汉大学学报(信息科学版), 2015, 40(7): 870-876. TANG Jun, YAO Yibin, ZHANG Liang. A TV-Mart Algorithm Applied to Computerized Ionospheric Tomography[J]. Geomatics and Information Science of Wuhan University, 2015, 40(7): 870-876. [24] 闻德保, 张啸, 张光胜, 等. 基于选权拟合法的电离层电子密度层析重构[J]. 地球物理学报, 2014, 57(8): 2395-2403. WEN Debao, ZHANG Xiao, ZHANG Guangsheng, et al. Tomographic Reconstruction of Ionospheric Electron Density Based on the Fitting Method by Selection of the Parameter Weights[J]. Chinese Jounal of Geophysics, 2014, 57(8): 2395-2403. [25] 霍星亮, 袁运斌, 欧吉坤, 等. 顾及电离层变化的层析反演新算法[J]. 地球物理学报, 2016, 59(7): 2393-2401. HUO Xingliang, YUAN Yunbin, OU Jikun, et al. A New Ionospheric Tomographic Algorithm Taking Into Account The Variation of the Ionosphere[J]. Chinese Journal of Geophysics, 2016, 59(7): 2393-2401. |